<schema xmlns="http://www.w3.org/2001/XMLSchema" xmlns:swe="http://www.opengis.net/swe/2.0" targetNamespace="http://www.opengis.net/swe/2.0" elementFormDefault="qualified" attributeFormDefault="unqualified" version="2.0.0">
    <annotation>
        <documentation>SWE Common Data Model schema for data arrays and data stream descriptors. See requirements class http://www.opengis.net/spec/SWE/2.0/req/xsd-block-components/
        
        SWE Common is an OGC Standard.
        Copyright (c) 2010 Open Geospatial Consortium, Inc. All Rights Reserved. 
        To obtain additional rights of use, visit http://www.opengeospatial.org/legal/ .
        </documentation>
    </annotation>
    <include schemaLocation="simple_encodings.xsd"/>
    <include schemaLocation="simple_components.xsd"/>
    <!-- ================================================= -->
    <element name="DataArray" substitutionGroup="swe:AbstractDataComponent" type="swe:DataArrayType">
        <annotation>
            <documentation>Implementation of ISO-11404 Array datatype. This defines an array of identical data components with a elementCount. Values are given as a block and can be encoded in different ways</documentation>
        </annotation>
    </element>
    <complexType name="DataArrayType">
        <complexContent>
            <extension base="swe:AbstractDataComponentType">
                <sequence>
                    <element name="elementCount" type="swe:CountPropertyType">
                        <annotation>
                            <documentation>Specifies the size of the array (i.e. the number of elements of the defined type it contains)</documentation>
                        </annotation>
                    </element>
                    <element name="elementType">
                        <annotation>
                            <documentation>Defines the structure of the element that will be repeated in the array</documentation>
                        </annotation>
                        <complexType>
                            <complexContent>
                                <extension base="swe:AbstractDataComponentPropertyType">
                                    <attribute name="name" type="NCName" use="required"/>
                                </extension>
                            </complexContent>
                        </complexType>
                    </element>
                    <element maxOccurs="1" minOccurs="0" name="encoding">
                        <annotation>
                            <documentation>Specifies the type of method used to encode the array values</documentation>
                        </annotation>
                        <complexType>
                            <sequence>
                                <element ref="swe:AbstractEncoding"/>
                            </sequence>
                        </complexType>
                    </element>
                    <element maxOccurs="1" minOccurs="0" name="values" type="swe:EncodedValuesPropertyType">
                        <annotation>
                            <documentation>If present, contains an encoded block of the values contained in the array. Values are optional so that the array definition can be used a as a schema for values provided externally</documentation>
                        </annotation>
                    </element>
                </sequence>
            </extension>
        </complexContent>
    </complexType>
    <complexType name="DataArrayPropertyType">
        <sequence minOccurs="0">
            <element ref="swe:DataArray"/>
        </sequence>
        <attributeGroup ref="swe:AssociationAttributeGroup"/>
    </complexType>
    <complexType name="DataArrayPropertyByValueType">
        <sequence>
            <element ref="swe:DataArray"/>
        </sequence>
    </complexType><!-- ================================================= -->
    <element name="Matrix" substitutionGroup="swe:DataArray" type="swe:MatrixType">
        <annotation>
            <documentation>Implementation of ISO-11404 Array datatype. This defines an array of identical data components with a elementCount. Values are given as a block and can be encoded in different ways</documentation>
        </annotation>
    </element>
    <complexType name="MatrixType">
        <complexContent>
            <extension base="swe:DataArrayType">
                <attribute name="referenceFrame" type="anyURI" use="optional">
                    <annotation>
                        <documentation>Frame of reference (usually spatial) with respect to which the coordinates of this matrix are expressed</documentation>
                    </annotation>
                </attribute>
                <attribute name="localFrame" type="anyURI" use="optional">
                    <annotation>
                        <documentation>Frame of reference whose origin is located by the transformation defined by this matrix</documentation>
                    </annotation>
                </attribute>
            </extension>
        </complexContent>
    </complexType>
    <complexType name="MatrixPropertyType">
        <sequence minOccurs="0">
            <element ref="swe:Matrix"/>
        </sequence>
        <attributeGroup ref="swe:AssociationAttributeGroup"/>
    </complexType>
    <complexType name="MatrixPropertyByValueType">
        <sequence>
            <element ref="swe:Matrix"/>
        </sequence>
    </complexType><!-- ================================================= -->
    <element name="DataStream" substitutionGroup="swe:AbstractSWEIdentifiable" type="swe:DataStreamType">
        <annotation>
            <documentation>Defines the structure of the element that will be repeated in the stream</documentation>
        </annotation>
    </element>
    <complexType name="DataStreamType">
        <complexContent>
            <extension base="swe:AbstractSWEIdentifiableType">
                <sequence>
                    <element maxOccurs="1" minOccurs="0" name="elementCount">
                        <annotation>
                            <documentation>Number of elements of the defined type that the stream contains</documentation>
                        </annotation>
                        <complexType>
                            <sequence>
                                <element ref="swe:Count"/>
                            </sequence>
                        </complexType>
                    </element>
                    <element name="elementType">
                        <annotation>
                            <documentation>Definition and structure of one stream element</documentation>
                        </annotation>
                        <complexType>
                            <complexContent>
                                <extension base="swe:AbstractDataComponentPropertyType">
                                    <attribute name="name" type="NCName" use="required"/>
                                </extension>
                            </complexContent>
                        </complexType>
                    </element>
                    <element name="encoding">
                        <annotation>
                            <documentation>Method used to encode the stream values</documentation>
                        </annotation>
                        <complexType>
                            <sequence>
                                <element ref="swe:AbstractEncoding"/>
                            </sequence>
                        </complexType>
                    </element>
                    <element name="values" type="swe:EncodedValuesPropertyType">
                        <annotation>
                            <documentation>Encoded values for the stream (can be out of band)</documentation>
                        </annotation>
                    </element>
                </sequence>
            </extension>
        </complexContent>
    </complexType>
    <complexType name="DataStreamPropertyType">
        <sequence minOccurs="0">
            <element ref="swe:DataStream"/>
        </sequence>
        <attributeGroup ref="swe:AssociationAttributeGroup"/>
    </complexType>
    <complexType name="DataStreamPropertyByValueType">
        <sequence>
            <element ref="swe:DataStream"/>
        </sequence>
    </complexType>
</schema>